Comment under the article where it is said that Russia used the S300, which was planned to deliver to Iran:
The Pandos ask, “Where are the 50 of your S-300 systems? We know for sure that they were there a month ago!".
The Russians answer: “And we sprinkled them and threw them out for washing, and there the cloves on the metal were communized! Indeed, we will lie to you.
Iranians quietly smile and repaint emblems on launchers.